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|Greenhouse Gases Effect on Global Warming - NASA/Goddard Space Flight Center Conceptual Image Lab|
The 'greenhouse effect' is the warming of climate that results when the atmosphere traps heat radiating from Earth toward space. Certain gases in the atmosphere resemble glass in a greenhouse, allowing sunlight to pass into the 'greenhouse,' but blocking Earth's heat from escaping into space. The gases that contribute to the greenhouse effect include water vapor, carbon dioxide (CO2), methane, nitrous oxides, and chlorofluorocarbons (CFCs)...
Keywords: Atmosphere, Carbon Dioxide, Climate, Earth Science, Global Warming, HDTV, Methane, Climate Change; What -- Earth